Works throughout the circulation system
The control panel energizes the replaceable probe, and moving water carries the generated copper ions through the water feature to help suppress string algae.
Aquascape IonGen® System G2 Electronic Algae Controller
$359.99
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Aquascape IonGen® System G2 Electronic Algae Controller
Aquascape IonGen® System G2
The IonGen System G2 uses a microprocessor-controlled copper probe to help control filamentous string algae throughout ponds, Pondless® Waterfalls, fountains and other recirculating decorative water features. It reduces reliance on repeated liquid algae treatments while giving you adjustable output and test kits for responsible water-quality monitoring.
Water-feature capacity Up to 25,000 gallons
Primary target Filamentous string algae
Input power 120V · 60 Hz
Manufacturer warranty 3 years · probe excluded
Why Pond Owners Choose IonGen G2
This is a complete electronic algae-control system—not a one-time treatment. Its value comes from adjustable output, flexible installation and ongoing monitoring that lets you respond to changing conditions.
Plumb it in or place the probe in-flow
For the strongest flow, install the included chamber after the pump. The probe may also be fully submerged in a skimmer, filter or Pondless Waterfall Vault using the included holder.
Adjustable, low-energy operation
Aquascape states that typical electrical operating cost is less than $1 per month. The display also reads “00” when the probe is exhausted or the system detects an operating fault.
What’s Included—and What Your Site Still Needs
IonGen G2 system components
- IonGen™ System Control Panel G2
- Flow Chamber G2
- Replaceable IonGen™ Probe G2
- Two 2-inch PVC slip fittings
- Two multi-hose adapters for 1-, 1.25- and 1.5-inch tubing
- Plug-in transformer
- Probe holder
- Cu/Copper Test Kit, item 96020
- KH/Alkalinity Test Kit, item 96019
Installation items depend on your setup
- Operating pump and recirculation system
- Properly grounded GFCI-protected 120V outlet
- PVC cement for a rigid or flex-PVC chamber installation
- Metal hose clamps for a kink-free tubing installation
- 25-foot Quick-Connect Extension Cable, item 98998, when additional reach is needed
- Prefilter or skimmer before the flow chamber is recommended to help keep solids away from the probe
Verified Specifications
Blue Thumb SKU: AI95027
Manufacturer item: 95027
UPC: 742575950273
EPA registration: 83739-1
Capacity: Up to 25,000 gallons
Applications: Ponds, Pondless® Waterfalls, fountains and decorative water features
Input power: 120V · 60 Hz
Controller output: 12V · 0.5A
Transformer: UL Listed, CSA Listed, rainproof Class 2
Flow chamber: Injection-molded plastic
Target copper level: Less than 0.25 ppm
Target alkalinity: 100–250 ppm
Plan, Install and Start the System
Use the official instructions for the complete procedure. These stages highlight the decisions to make before you cut plumbing or energize the probe.
Clean the existing feature
Remove as much string algae and debris as practical before installation. Heavy existing growth slows visible results.
Choose and protect the controller location
Confirm that the power cord reaches a grounded GFCI outlet and the probe lead reaches the planned probe location. Mount the weather-resistant controller above ground and protect it from severe exposure.
Select the probe installation method
For best performance, plumb the flow chamber after the pump in a line that can drain by gravity. Alternatively, secure the probe with its holder in a skimmer, filter or Pondless Waterfall Vault. Keep the probe fully submerged with adequate flow.
Test before operation
Use the included kits to confirm total alkalinity is 100–250 ppm and to establish a copper baseline. Fish-containing features require special care: never allow copper to reach or exceed 0.25 ppm.
Start low and monitor
For a new or clean feature, begin at level 1 or 2. Raise output only when algae conditions require it, retest copper regularly and lower the setting again when conditions improve.
Installation and safety: Follow all local codes, never immerse the control panel, do not modify the grounded plug, and use this EPA-registered product only as directed by its labeling. Hand-tighten flow-chamber fittings; using tools can damage them. California Proposition 65 warning: this product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
What Ownership Requires
Monitor the water
Test copper periodically and keep it below 0.25 ppm. Maintain total alkalinity between 100 and 250 ppm; evaporation and water changes can shift these readings during the season.
Inspect the probe
Check for wear, debris and scale. Brush or scrape scale from the bars as needed. Repeated buildup usually signals inadequate flow. Probe life varies with output setting, feature volume and water chemistry.
Prepare for freezing weather
Shut the IonGen system down in cold climates, drain water from plumbing and the flow chamber, and inspect the probe before spring startup. Freeze damage from plumbing that was not drained can void warranty coverage.
Product Resources
Review the manufacturer documents before installation and keep them available for operation, maintenance, troubleshooting and winter care.
See the IonGen G2 in Action
IonGen™ System G2 Overview
A concise product introduction from AquascapePonds, the official manufacturer channel.
Maximizing IonGen™ Performance
AquascapePonds explains operating practices that help the IonGen G2 perform as intended.
Not Sure Whether IonGen Fits Your Water Feature?
Blue Thumb’s Sales and Technical Team can help you review feature volume, plumbing method, probe placement and the maintenance this system requires before you order.
Frequently Asked Questions
What type of algae does the IonGen G2 control?
It is designed primarily for filamentous string algae. Aquascape notes that some algae types are less affected by copper ions, so results can vary by algae type and water conditions.
Can I use it in a pond with fish and plants?
Yes, when installed, tested and operated according to the manufacturer’s instructions. Keep copper below 0.25 ppm and total alkalinity between 100 and 250 ppm. Do not operate the system with fish when alkalinity is below 100 ppm.
How large a water feature can one system treat?
One IonGen G2 is rated for water features up to 25,000 gallons. Larger volume, heavy existing algae and unfavorable water chemistry can increase the time required for noticeable results.
Is the IonGen G2 a complete filtration system?
No. It is an add-on electronic algae-control system. Your water feature still needs an operating pump, circulation and appropriate mechanical and biological filtration for its design.
Do I have to cut into the plumbing?
Not always. Plumbing the included flow chamber after the pump is the most effective method, but the probe can also be fully submerged in a skimmer, filter or Pondless Waterfall Vault using the included holder, provided it receives adequate water flow.
How quickly will I see results?
Results are not instant. After heavy algae and debris are removed, visible improvement may take several days to a few weeks. Water chemistry, feature volume, existing algae and flow across the probe all affect performance.
How often does the probe need replacement?
The current manual says the replaceable probe typically lasts one or more seasons, depending on use, water volume and chemistry. High output and high conductivity can shorten probe life. Inspect the bars periodically and replace the probe when significantly worn or exhausted.
Can I run the IonGen G2 through winter?
Aquascape recommends shutting the system down in climates with cold temperatures. Drain the plumbing and flow chamber before freezing weather, then clean and inspect the probe before spring startup.
What does “00” on the control panel mean?
The display reads “00” when the probe is completely exhausted or there is an operating fault. Inspect the probe and confirm that all quick-connect cables are fully connected and undamaged before replacing components.
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